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authorAlessio Igor Bogani <abogani@texware.it>2009-05-12 15:10:54 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2009-06-11 21:36:11 -0400
commit337eb00a2c3a421999c39c94ce7e33545ee8baa7 (patch)
treed9b780d095b638b1d8fa23841ff70347cf5daa08 /kernel
parent4195f73d1329e49727bcceb028e58cb38376c2b0 (diff)
downloadlinux-2.6.34-ux500-337eb00a2c3a421999c39c94ce7e33545ee8baa7.tar.gz
Push BKL down into ->remount_fs()
[xfs, btrfs, capifs, shmem don't need BKL, exempt] Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/cgroup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a7267bfd376..3fb789f6df9 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -46,6 +46,7 @@
#include <linux/cgroupstats.h>
#include <linux/hash.h>
#include <linux/namei.h>
+#include <linux/smp_lock.h>
#include <asm/atomic.h>
@@ -900,6 +901,7 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
struct cgroup *cgrp = &root->top_cgroup;
struct cgroup_sb_opts opts;
+ lock_kernel();
mutex_lock(&cgrp->dentry->d_inode->i_mutex);
mutex_lock(&cgroup_mutex);
@@ -927,6 +929,7 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
kfree(opts.release_agent);
mutex_unlock(&cgroup_mutex);
mutex_unlock(&cgrp->dentry->d_inode->i_mutex);
+ unlock_kernel();
return ret;
}